Women clap as Amir Arasta, an Iranian American participant of the Tehran Marathon, runs in front of the Azadi (Freedom) monument tower in Tehran, Iran, Friday, April, 7, 2017. Iran's Track and Field Federation chief Majid Keyhani had said Wednesday there was no ban on any nationality in what he called the "Persian Run." (AP Photo/Ebrahim Noroozi)

Women clap as Amir Arasta, an Iranian American participant of the Tehran Marathon, runs in front of the Azadi (Freedom) monument tower in Tehran, Iran, Friday, April, 7, 2017. Iran's Track and Field Federation chief Majid Keyhani had said Wednesday there was no ban on any nationality in what he called the "Persian Run." (AP Photo/Ebrahim Noroozi)